print("1")
"""
import numpy as nm
import matplotlib.pyplot as mtp
import pandas as pd
df = pd.read_csv("AirQualityUCI.csv", sep = ";", decimal = ",")
print("ÄirQualityUCI data before iloc")
print(df.head())
df = df.iloc[ : ,0:14]
print("ÄirQualityUCI data after iloc")
print(df.head())
"""